edited by Kenneth R. Niswander
Litle, Brown, 1983
Buku Teks
edited by Robert Berkow
Merck Sharp & Dohme Research Laboratories, 1987
Buku Teks
Markus, John, 1911-, author
McGraw-Hill, 1971
Buku Referensi
Pfeifer Gunter, Rolf Ramcke, Joachim Achtziger, Konrad Zilch
Birkhauser, 2001
Buku Referensi
Box, Paul C., author
Institut of Transportation Engineers, 1976
Buku Referensi